Turbo-charged refresh rates fuel your need for gaming speed in majestic 4K UHD. Demolish the possibility of motion blur and reach the peak of your 4K gaming potential with a refresh rate overclockable to 144Hz. Lock your frames to game with NVIDIA G-SYNC. HDR, or high-dynamic range, refer to image luminance and has a long, detailed explanation. Predator GameView provides a number of useful features, such as setting the level of dark boost, making precise color adjustments and more.